I ahve them all and they are all ok if you like tier 5. The t14 and excelsior are similar in that they have strong frontal armor and weak sides and slow aim times. I think the Excelsior is superior with it's 13 degree gun depression (compared to 10 on the t14). I don't remember cause I don't play tier 5 that often. . . . the Pz V/IV is different than the other two so get that one and one of the heavies.